Dukan Diet News: Forbidden Ingredients in Dukan Products

I personally don’t buy products from the official Dukan Shops, as I think they are very expensive for what you get,but I occasionally window shop to see what is on offer and I must admit that I’m extremely disappointed by the information that my latest visit has provided as I think it just makes everything even more confusing than it already is.

It would appear that Dr Dukan has changed his stance on many ingredients that are not allowed on his diet.  Ingredients that you are not allowed to eat such as ordinary cocoa, sugar, tapioca, rice flour, sunflower oil,whole milk are now OK to eat provided they are eaten as part of your tolerated allowance for the day.

To give you some examples

  • Dukan Oat Bran Bars, that are available from the UK shop ,contain oat bran 50%, sweetener: maltitol syrup, protein puffs (soy protein isolate, tapioca starch, salt), stabiliser: glycerol, flax seed 2%, acacia fibre
  • Dukan Oat Bran BarsChocolate, that are available from the US shop, contain oat bran, tapioca, glycerin, soy protein, soy crisps, cocoa, stevia, vanilla, sprouted flax, acacia, chocolate flavor
  • Caramel Flavour Oat Bran Clusters, that are available from the UK shop contain cereal grains 67.5% [oat bran 65%, extruded soy products (soy protein isolate, rice flour, malt extract, salt)], polydextrose, sunflower oil 2.4%, caramel cubes 2% (sugar, concentrated butter, vegetable fat, powdered whole milk, powdered skimmed milk, salt, emulsifier: soy lecithin), flavouring, emulsifier: soy lecithin, antioxidant: tocopherol, sweetener: sucralose.

In the Cruise Phase you can eat one of these bars or have one 30g serving of the clusters instead of your two daily tolerated items.

The UK oat bran bars weigh 25g and have 81 calories and 13.88g of carbs, the US chocolate bars weighs 25g and have 90 calories and 17g of carbs, while the UK oat bran clusters have 89 calories and 8.2g of carbs in a 30g serving.

The US oat bran bar contains the daily serving of 2 tablespoons of oat bran but there is no information on the UK site as to how much oat bran their products contain.

15 Responses to “Dukan Diet News: Forbidden Ingredients in Dukan Products”

  • Jennifer on February 22, 2016

    Is Gluten free sorghum flour allowed on the dukan diet? if so how much are we allowed to use per day? I found a recipe for crepes, it says dukan diet crepes and they use Sorghum Flour. I want to make sure before I use it.

    • Amber on February 23, 2016

      Hi Jennifer

      Sorry sorghum flour isn’t a permitted ingredient.

      Kind regards


  • Rosiane on May 17, 2015

    Hi Amber 2 questions ?
    Can I have tapioca and almond milk during the diet ?
    Thanks for your time

    • Amber on May 17, 2015

      Hi Rosiane

      I’m afraid the only substitue for the fat free dairy proteins is soy products so tapioca and almond milk cannot be used to replace cow’s milk.

      Best wishes


  • nikki on March 20, 2015

    Hi Amber. What about dukan glavourings on PP days?

    I did oatbran galette with careless flavour, poached salmon and Turkey slices, roast chicken (no skin) and shirataki noodles drank my water. Lost nothing. (Diet started Monday and only 3.4lb down

    • Amber on March 22, 2015

      Hi Nikki

      As you only use a few drops using them during the Attack phase is fine. I think you probably have unrealistic expectations of how much weight is normally lost during the Attack phase. To lose 3.4 pounds in 4 days, from Monday morning to Friday morning is a good weight loss and looking at the food you are eating you are following the diet correctly. Water retention and/or constipation are usually the reasons why weight loss stalls.

      Kind regards


  • Heila on October 2, 2014

    I stay in southh africa and some off the products is not available can i use other products for the duken diet.

    • Amber on October 2, 2014

      Hi Heila

      Sorry there are no replacements for ingredients that are not available – you just leave them out.

      Best wishes


  • Eman on September 15, 2014


    Is soybean oil allowed in the dukan diet?

    • Amber on September 28, 2014

      Hi Eman

      Sorry no, you can have olive oil or rapeseed oil.


  • Jo on May 2, 2014

    Hi Amber

    Are you saying then that the Dukan choc/hazelnut oat bran bars are not acceptable on the cruise stage even though the product info says they are?



    • Amber on May 3, 2014

      Hi Jo

      No, it is annoying that Dr Dukan breaks his own rules and that forbidden ingredients are allowed if bought through him.

      Best wishes


  • Dale Cook on February 15, 2013

    I’m interested to know more about whether these ingredients are tolerated, seeing as it fits with the commercial side of the plan but not the science. Just before starting Dukan I discovered Real D’Lites snack crisps…tasty and only 85 cals per bag. Approx 16g of carbs per bag of which sugars 3g, and 2g of fat. Not toooo bad, that could be part of a daily planned intake and add a fair bit of taste bud joy.

    Agree about Dukan branded products, there are alternatives (and there’s always abstinence or eating more allowed foods instead).

    • Amber on February 15, 2013

      Hi Dale

      The amounts of the forbidden ingredients will be very small so I can’t see how they could be made tolerated foods. If you are prepared to take a more flexible approach in your interpretation of the Dukan Diet, especially in view of Dr Dukan commercially driven rule bending, you might want to add a bag of Real D’Lites as your daily tolerated items from time to time!

      Kind regards


  • Knit Lounge on June 21, 2012

    I agree with you.

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